mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-23 00:45:16 +00:00
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
var strCompare = require("../string/#/case-insensitive-compare")
|
||
|
|
, isObject = require("./is-object")
|
||
|
|
, isValue = require("./is-value")
|
||
|
|
, numIsNaN = require("../number/is-nan")
|
||
|
|
, resolve
|
||
|
|
, typeMap;
|
||
|
|
|
||
|
|
typeMap = { undefined: 0, object: 1, boolean: 2, string: 3, number: 4 };
|
||
|
|
|
||
|
|
resolve = function (a) {
|
||
|
|
if (isObject(a)) {
|
||
|
|
if (typeof a.valueOf !== "function") return NaN;
|
||
|
|
a = a.valueOf();
|
||
|
|
if (isObject(a)) {
|
||
|
|
if (typeof a.toString !== "function") return NaN;
|
||
|
|
a = a.toString();
|
||
|
|
if (typeof a !== "string") return NaN;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return a;
|
||
|
|
};
|
||
|
|
|
||
|
|
module.exports = function (val1, val2) {
|
||
|
|
if (val1 === val2) return 0; // Same
|
||
|
|
|
||
|
|
val1 = resolve(val1);
|
||
|
|
val2 = resolve(val2);
|
||
|
|
// eslint-disable-next-line eqeqeq
|
||
|
|
if (val1 == val2) return typeMap[typeof val1] - typeMap[typeof val2];
|
||
|
|
if (!isValue(val1)) return -1;
|
||
|
|
if (!isValue(val2)) return 1;
|
||
|
|
if (typeof val1 === "string" || typeof val2 === "string") {
|
||
|
|
return strCompare.call(val1, val2);
|
||
|
|
}
|
||
|
|
if (numIsNaN(val1) && numIsNaN(val2)) return 0; // Jslint: ignore
|
||
|
|
return Number(val1) - Number(val2);
|
||
|
|
};
|